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Pellagra - Wikipedia
Pellagra: Definition, Symptoms & Treatment - Cleveland Clinic
Pellagra: Pictures, Symptoms, Causes, and Treatment - Healthline
The 3 Signs of Pellagra and How to Treat Them - Verywell Health
Pellagra: Definition, symptoms, pictures, and more
DermNet® - Pellagra (vitamin B3 or niacin deficiency)
Pellagra - Symptoms, Causes, Treatments - Healthgrades